The OSA Gallery is open to the public for free viewing.   Free onsite parking and TriMet bus #51 and #63 both stop in front of OSA.
Normal Gallery Hours:  Monday - Friday 10a - 4p and Saturday 1 - 4p (excluding holidays). 
You may also visit online at OSAGallery.og.
While you visit, inquire about classes, workshops, upcoming workshops, and becoming a member.


 ANNUAL SPRING JURIED SHOW - March 5 - April 27.  See this show online at

Shellie Gerber. Fields of Gold, Mixed Media
2019 Spring Juried Show First Place Award Winner

This March OSA hosts our Annual Spring Juried show. We are proud to announce all juried shows are open to ALL; OSA members and nonmembers alike. This annual show is expected to bring in a wide range of styles and mediums such as oil, collage, watercolor, mixed media collage, photography, and much more! This year’s juror is Yong Hong Zhong. "There are two fundamental elements which I strive for with each and every one of my paintings. The first is a solid foundation in draftsmanship, color and composition. The second is being able to express and communicate my feelings with each piece.” – Yong Hong Zhong

PAM Docents & OSA Group Show | See this show online at

We are delighted to announce this group show with the Portland Art Museum Docents who share our mission to promote the visual arts in the diverse communities of our region.

There is no theme to this non-juried show so expect a wide range of mediums and styles including oil, acrylic, watercolor, mixed media, photography, pastel, digital media, glass fused and encaustics and sculpture.


Opening reception: Thursday, May 7 | 6-8pm

OSA celebrates its students in the month of May! Come view the exceptional work of our students and instructors created in class this year (fall 2019 – spring 2020). Dennis Anderson is the chairperson for this year's show. This is Dennis’ second year teaching “Urban Street Sketching and Drawing Techniques” at OSA.

“My desire is to elevate the activities of daily life, those mundane scenes where the moment becomes the subject. I like the balancing of what is familiar with the thought of what was seen.” – Dennis Anderson

Prospectus, Consignment Release Form and Framing GuidelinesEnter Show Here

Opening Reception & Awards Presentation Sunday, May 31 |  1-4pm Awards Ceremony at 2pm 

OSA is proud to host the 38th Annual Rose Festival Art Show. Artists from across the region celebrate the rose in honor of the Portland Rose Festival. The Rose Festival has been a part of Portland’s history for over a century.

This year’s Juror is Michael Orwick. “There is a reason we are drawn toward beauty. It is the language of God and nature. Nothing more provocative than beauty — it inspires deep reflection and motivates me to create.” -Michael Orwick

Prospectus, Consignment Release Form and Framing GuidelinesEnter Show Here

Opening reception: Thursday, July 2 | 6-8pm

Our 3rd annual Plein Air Portland Art Show opens in July and is open to all. This show is for artwork created outdoors in Oregon and Washington within the last year. The Juror this year is Za Yer Vue

Za worked for Disney on traditional animated films and shorts for over 10 years. Za now teaches animation, illustration and on-location painting at The Art Institute in Portland, Oregon. "Painting is one of my greatest loves, and I am happy that it plays such a prominent role in my life now”.

Prospectus, Consignment Release Form and Framing GuidelinesEnter Show Here